public class Demo7 {
    public static void main(String[] args) {
        Thread t = new Thread(() -> {
            System.out.println("哟嚯！");
        },"是我的线程阿");
        t.start();

        System.out.println("哎嘿");
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
            }
        System.out.println(t.isAlive());
    }
    }

